Home / 12,534.12-17,301.42-7,231.05

Finding the Fourth Proportional to 12,534.12, 17,301.42 and 7,231.05

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Solution

The fourth proportional to 12,534.12, 17,301.42 and 7,231.05 is: 9,981.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,534.12 : 17,301.42 = 7,231.05 : x
  2. Step 2: Convert to fraction form
    12,534.12/17,301.42 = 7,231.05/x
  3. Step 3: Cross multiply
    12,534.12x = 17,301.42 × 7,231.05
  4. Step 4: Simplify right side
    12,534.12x = 125,107,433.09
  5. Step 5: Solve for x
    x = 125,107,433.09/12,534.12
  6. Step 6: Final answer
    x = 9,981.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.